Understanding fine magnetic particle systems through use of first‐order reversal curve diagrams

AP Roberts, D Heslop, X Zhao… - Reviews of …, 2014 - Wiley Online Library
First‐order reversal curve (FORC) diagrams are constructed from a class of partial magnetic
hysteresis loops known as first‐order reversal curves and are used to understand …

Unlocking information about fine magnetic particle assemblages from first-order reversal curve diagrams: Recent advances

AP Roberts, D Heslop, X Zhao, H Oda, R Egli… - Earth-Science …, 2022 - Elsevier
The magnetic domain state of a material determines its magnetic recording capability and
magnetic properties. Constraining the domain state of magnetic components within …

Resolving the origin of pseudo‐single domain magnetic behavior

AP Roberts, TP Almeida, NS Church… - Journal of …, 2017 - Wiley Online Library
The term “pseudo‐single domain”(PSD) has been used to describe the transitional state in
rock magnetism that spans the particle size range between the single domain (SD) and …

Detection of noninteracting single domain particles using first‐order reversal curve diagrams

R Egli, AP Chen, M Winklhofer… - Geochemistry …, 2010 - Wiley Online Library
We present a highly sensitive and accurate method for quantitative detection and
characterization of noninteracting or weakly interacting uniaxial single domain particles …

3D Nanomagnetism in low density interconnected nanowire networks

EC Burks, DA Gilbert, PD Murray, C Flores, TE Felter… - Nano …, 2020 - ACS Publications
Free-standing, interconnected metallic nanowire networks with densities as low as 40
mg/cm3 have been achieved over centimeter-scale areas, using electrodeposition into …

Key signatures of magnetofossils elucidated by mutant magnetotactic bacteria and micromagnetic calculations

M Amor, J Wan, R Egli, J Carlut, C Gatel… - Journal of …, 2022 - Wiley Online Library
Magnetotactic bacteria (MTB) produce single‐stranded or multi‐stranded chains of magnetic
nanoparticles that contribute to the magnetization of sediments and rocks. Their magnetic …

The vortex state in geologic materials: A micromagnetic perspective

I Lascu, JF Einsle, MR Ball… - Journal of Geophysical …, 2018 - Wiley Online Library
A wide variety of Earth and planetary materials are very good recorders of paleomagnetic
information. However, most magnetic grains in these materials are not in the stable single …

Magnetic characterization of geologic materials with first-order reversal curves

R Egli - Magnetic measurement techniques for materials …, 2021 - Springer
Since their introduction in Earth sciences in 1990, first-order reversal curve (FORC)
measurements have become an important tool for characterizing geologic materials. The …

Memory effect in magnetic nanowire arrays

X Kou, X Fan, RK Dumas, Q Lu, Y Zhang… - Advanced …, 2011 - Wiley Online Library
Magnetic materials are widely used for information storage because of their large capacity
and low cost.[1] Storage medium technologies have evolved from analog recording with …

Temperature dependence of magnetization reversal mechanism in misch-metal substituted Nd-Fe-B magnets sintered by dual alloy method

D Liu, JF **ong, L Wang, X Zheng, F Peng, X Ming… - Acta Materialia, 2023 - Elsevier
The substitution of Nd by misch-metal (MM) in Nd-Fe-B permanent magnets has attracted
extensive attention due to the effective reduction of production cost and rational utilization of …